Method toInt

java/lib/src/main/java/io/github/ccxt/base/Precise.java:323–328

(Object o)

    // -------- utilities --------
    private static int toInt(Object o) {
        if (o instanceof Integer) return (Integer) o;
        if (o instanceof Long) return ((Long) o).intValue();
        if (o instanceof String) return Integer.parseInt(((String) o).trim());
        throw new IllegalArgumentException("Cannot convert to int: " + o);
    }

    private static String leftPad(String s, int size, char ch) {
        if (s.length() >= size) return s;